Home / 88,397.43-121,985.19-48,110.30

Finding the Fourth Proportional to 88,397.43, 121,985.19 and 48,110.30

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Solution

The fourth proportional to 88,397.43, 121,985.19 and 48,110.30 is: 66,390.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,397.43 : 121,985.19 = 48,110.30 : x
  2. Step 2: Convert to fraction form
    88,397.43/121,985.19 = 48,110.30/x
  3. Step 3: Cross multiply
    88,397.43x = 121,985.19 × 48,110.30
  4. Step 4: Simplify right side
    88,397.43x = 5,868,744,086.46
  5. Step 5: Solve for x
    x = 5,868,744,086.46/88,397.43
  6. Step 6: Final answer
    x = 66,390.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.